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Description
4140 124 2800 STIHL Filter – Genuine OEM Part
The STIHL Filter (4140 124 2800) is a genuine OEM air filter element engineered to help protect your engine by preventing dirt, dust, and debris from entering the carburetor and combustion chamber. Designed for use on a wide range of STIHL handheld tools, this filter supports optimal engine performance, long life, and reduced wear.
Manufactured to exact STIHL specifications, this air filter provides excellent filtration efficiency and long-lasting durability when replacing dirty, clogged, or damaged filters.
Product Details
OEM Part Number: 4140 124 2800
Brand: STIHL (Genuine OEM)
Part Type: Air Filter / Engine Inlet Filter
Application: Air Filter / Crankcase / Cylinder Protection
Condition: New Genuine OEM Part
Function
This air filter is designed to:
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Prevent dirt, dust, and debris from entering the engine
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Protect carburetor and internal engine components
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Help maintain smooth idle and consistent power
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Improve engine longevity and reduce maintenance
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Replace worn, clogged, or damaged air filter elements
⚠️ A dirty or damaged air filter can cause reduced engine power, hard starting, and increased wear.
Verify Fitment in 30 Seconds
Before ordering, confirm the following:
OEM part number 4140 124 2800
Your STIHL model is listed below
Part location matches your air filter diagram
⚠️ Always verify fitment by OEM part number for best accuracy.
Compatibility
Fits select STIHL equipment including:
Trimmers / Brushcutters / Combos
FS 38 (Air filter / spacer flange)
FS 38 2-MIX (Air filter / spacer flange 2-MIX)
FS 45 (Air filter / spacer flange)
FS 45 C-E (Air filter / spacer flange)
FS 45 D (Air filter / spacer flange)
FS 46 (Air filter / spacer flange)
FS 46-D (Air filter / spacer flange)
FS 46 C-E (Air filter / spacer flange)
FS 46 C-E D (Air filter / spacer flange)
FS 55 (Air filter / spacer flange)
FS 55-D (Air filter / spacer flange)
FS 55 R (Air filter / spacer flange)
FS 55 R-D (Air filter / spacer flange)
FS 55 C-E D (Air filter / spacer flange)
FS 55 RC-E (Air filter / spacer flange)
FS 55 RC-E D (Air filter / spacer flange)
Kombi Tools
KM 55 R (Air filter / Fuel tank KM 55, KM 55 C, KM 55 RC)
KM 55 R-D (Air filter / Fuel tank KM 55, KM 55 C, KM 55 RC)
KM 55 RC-E (Crankcase / Cylinder)
KM 55 RC-E D (Crankcase / Cylinder)
Hedge Trimmers / Long-Reach Unit
HL 45 (Crankcase / Cylinder)
HL 45-D (Crankcase / Cylinder)
Edgers
FC 55 (Air filter / Fuel tank)
FC 55-D (Air filter / Fuel tank)
Other
HS 45 (Air filter / spacer flange)
⚠️ This list includes common applications — always confirm using your parts diagram or owner’s manual.
Installation / Usage
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Turn off engine and allow it to cool
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Remove air filter cover and old filter element
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Clean debris from air filter housing
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Install new STIHL OEM filter 4140 124 2800
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Reinstall cover securely
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Test engine operation
⚠️ Replace filter regularly to maintain engine protection and performance.
Maintenance Tips
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Inspect the air filter frequently for dirt buildup
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Clean or replace the filter as recommended in your manual
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Never operate equipment without a proper filter installed
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Use only genuine STIHL OEM filters for best results
